Location and coordinates are for the approximate centre of Bethesda within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Bethesda, town, Llanllechid par., Carnarvonshire, 4½ miles SE. of Bangor, pop. 6969; 2 Banks. Extensive slate quarries are in the vicinity.